浅析半潜式钻井平台的模型试验

The Research on Model Test of Semi-submersible Drilling Platform

半潜式钻井平台具有抗风浪能力强、甲板面积和可变载荷大、适应水深范围广、钻机能力强和具有多种作业功能等特点。但由于其所处的海洋作业环境和地质条件恶劣,浮式生产系统技术复杂、投资巨大、风险极高。因此,如何正确地获得其在严酷海洋环境下的运动、受力以及甲板是否上浪等技术性能十分重要,这些性能参数是决定和设计半潜式钻井平台结构、总体布置及其动力定位、系泊系统等相关系统的重要依据。本论文通过对水池模型试验数据进行分析分析,确定该船型在一定的环境条件下的水动力数据、运动响应、定位等数据是否满足设计要求。

Semi-submersible drilling platform has the following charactristicses： resistant capability for the strong wind, large variable deck load, and wide operation water depth, stronger capability of the drilling and multi-operation. The floating production facilities also have complex technology, vast investment and high risk since severe offshore environment. It is very important to obtain the critical technical performance index such as motion characteris- tic, whether the green water occur, all of this will become the important engineering basis for final decision of the structure, general arrangement, mooring system for the semi-submersible platform. The paper will analyze the model basin test result data and obtain the engineering result whether the key technical performance such as hydrodynamic data, motion response and mooring to meet the design requirement under the specified environment condition.